大约有 40,000 项符合查询结果(耗时:0.0615秒) [XML]

https://stackoverflow.com/ques... 

Best practices for storing postal addresses in a database (RDBMS)?

...veal some nice pearls for interpreting and validating addresses internationally. It also has a nice set of administrative areas ( province, state, oblast, etc ) with ISO codes. Here's the gist of the schema, copied from the module page: country => Country (always required, 2 character ISO code...
https://stackoverflow.com/ques... 

Practical uses for AtomicInteger

I sort of understand that AtomicInteger and other Atomic variables allow concurrent accesses. In what cases is this class typically used though? ...
https://stackoverflow.com/ques... 

When to use a View instead of a Table?

When should a View actually be used over an actual Table? What gains should I expect this to produce? 8 Answers ...
https://stackoverflow.com/ques... 

Are inline virtual functions really a non-sense?

... excerpt from the excellent C++ faq: "The only time an inline virtual call can be inlined is when the compiler knows the "exact class" of the object which is the target of the virtual function call. This can happen only when the compiler has an actual object rather than a pointer or ...
https://stackoverflow.com/ques... 

Where is Python's sys.path initialized from?

... "Initialized from the environment variable PYTHONPATH, plus an installation-dependent default" -- http://docs.python.org/library/sys.html#sys.path share | improve this answer | ...
https://stackoverflow.com/ques... 

What is the optimal length for user password salt? [closed]

Any salt at all will obviously help when salting and hashing a user's password. Are there any best practices for how long the salt should be? I'll be storing the salt in my user table, so I would like the best tradeoff between storage size and security. Is a random 10 character salt enough? Or ...
https://stackoverflow.com/ques... 

Why does an SSH remote command get fewer environment variables then when run manually? [closed]

...e -i option. PS1 is set and $- includes i if bash is interactive, allowing a shell script or a startup file to test this state. The following paragraphs describe how bash executes its startup files. If any of the files exist but cannot be read, bash rep...
https://stackoverflow.com/ques... 

X-UA-Compatible is set to IE=edge, but it still doesn't stop Compatibility Mode

...in the <head> element. No other meta tags, css links and js scripts calls can be placed before it. <head> <title>Site Title</title> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <meta charset="utf-8"> <script type="text/javascri...
https://stackoverflow.com/ques... 

What is console.log?

... Places you can view the console! Just to have them all in one answer. Firefox http://getfirebug.com/ (you can also now use Firefox's built in developer tools Ctrl+Shift+J (Tools > Web Developer > Error Console), but Firebug is much better; use Firebug) Safari and Ch...
https://stackoverflow.com/ques... 

Differences between unique_ptr and shared_ptr [duplicate]

... Both of these classes are smart pointers, which means that they automatically (in most cases) will deallocate the object that they point at when that object can no longer be referenced. The difference between the two is how many different pointers of each type can refer to a resource. When using...